# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.admin.admin

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Controller for Admin panel of Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 7, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

from pylons import request, tmpl_context as c, url

from sqlalchemy.orm import joinedload

from whoosh.qparser.default import QueryParser

from whoosh.qparser.dateparse import DateParserPlugin

from whoosh import query

from sqlalchemy.sql.expression import or_, and_, func

from kallithea.model.db import UserLog

from kallithea.lib.auth import LoginRequired, HasPermissionAllDecorator

from kallithea.lib.base import BaseController, render

from kallithea.lib.utils2 import safe_int, remove_prefix, remove_suffix

from kallithea.lib.indexers import JOURNAL_SCHEMA

from kallithea.lib.helpers import Page

log = logging.getLogger(__name__)

def _journal_filter(user_log, search_term):

    """

    Filters sqlalchemy user_log based on search_term with whoosh Query language

    http://packages.python.org/Whoosh/querylang.html

    :param user_log:

    :param search_term:

    """

    log.debug('Initial search term: %r', search_term)

    qry = None

    if search_term:

        qp = QueryParser('repository', schema=JOURNAL_SCHEMA)

        qp.add_plugin(DateParserPlugin())

        qry = qp.parse(unicode(search_term))

        log.debug('Filtering using parsed query %r', qry)

    def wildcard_handler(col, wc_term):

        if wc_term.startswith('*') and not wc_term.endswith('*'):

            #postfix == endswith

            wc_term = remove_prefix(wc_term, prefix='*')

            return func.lower(col).endswith(wc_term)

        elif wc_term.startswith('*') and wc_term.endswith('*'):

            #wildcard == ilike

            wc_term = remove_prefix(wc_term, prefix='*')

            wc_term = remove_suffix(wc_term, suffix='*')

            return func.lower(col).contains(wc_term)

    def get_filterion(field, val, term):

        if field == 'repository':

            field = getattr(UserLog, 'repository_name')

        elif field == 'ip':

            field = getattr(UserLog, 'user_ip')

        elif field == 'date':

            field = getattr(UserLog, 'action_date')

        elif field == 'username':

            field = getattr(UserLog, 'username')

        else:

            field = getattr(UserLog, field)

        log.debug('filter field: %s val=>%s', field, val)

        #sql filtering

        if isinstance(term, query.Wildcard):

            return wildcard_handler(field, val)

        elif isinstance(term, query.Prefix):

            return func.lower(field).startswith(func.lower(val))

        elif isinstance(term, query.DateRange):

            return and_(field >= val[0], field <= val[1])

        return func.lower(field) == func.lower(val)

    if isinstance(qry, (query.And, query.Term, query.Prefix, query.Wildcard,

                        query.DateRange)):

        if not isinstance(qry, query.And):

            qry = [qry]

        for term in qry:

            field = term.fieldname

            val = (term.text if not isinstance(term, query.DateRange)

                   else [term.startdate, term.enddate])

            user_log = user_log.filter(get_filterion(field, val, term))

    elif isinstance(qry, query.Or):

        filters = []

        for term in qry:

            field = term.fieldname

            val = (term.text if not isinstance(term, query.DateRange)

                   else [term.startdate, term.enddate])

            filters.append(get_filterion(field, val, term))

        user_log = user_log.filter(or_(*filters))

    return user_log

class AdminController(BaseController):

    @LoginRequired()

    def __before__(self):

        super(AdminController, self).__before__()

    @HasPermissionAllDecorator('hg.admin')

    def index(self):

        users_log = UserLog.query() \

                .options(joinedload(UserLog.user)) \

                .options(joinedload(UserLog.repository))

        #FILTERING

        c.search_term = request.GET.get('filter')

        users_log = _journal_filter(users_log, c.search_term)

        users_log = users_log.order_by(UserLog.action_date.desc())

        def url_generator(**kw):

            return url.current(filter=c.search_term, **kw)

        c.users_log = Page(users_log, page=p, items_per_page=10, url=url_generator)

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            return render('admin/admin_log.html')

        return render('admin/admin.html')

# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.admin.gists

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

gist controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: May 9, 2013

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import time

import logging

import traceback

import formencode.htmlfill

from pylons import request, response, tmpl_context as c, url

from pylons.i18n.translation import _

from webob.exc import HTTPFound, HTTPNotFound, HTTPForbidden

from kallithea.model.forms import GistForm

from kallithea.model.gist import GistModel

from kallithea.model.meta import Session

from kallithea.model.db import Gist, User

from kallithea.lib import helpers as h

from kallithea.lib.base import BaseController, render

from kallithea.lib.auth import LoginRequired, NotAnonymous

from kallithea.lib.utils import jsonify

from kallithea.lib.utils2 import safe_int, safe_unicode, time_to_datetime

from kallithea.lib.helpers import Page

from sqlalchemy.sql.expression import or_

from kallithea.lib.vcs.exceptions import VCSError, NodeNotChangedError

log = logging.getLogger(__name__)

class GistsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    def __load_defaults(self, extra_values=None):

        c.lifetime_values = [

            (str(-1), _('Forever')),

            (str(5), _('5 minutes')),

            (str(60), _('1 hour')),

            (str(60 * 24), _('1 day')),

            (str(60 * 24 * 30), _('1 month')),

        ]

        if extra_values:

            c.lifetime_values.append(extra_values)

        c.lifetime_options = [(c.lifetime_values, _("Lifetime"))]

    @LoginRequired()

    def index(self):

        """GET /admin/gists: All items in the collection"""

        # url('gists')

        not_default_user = not c.authuser.is_default_user

        c.show_private = request.GET.get('private') and not_default_user

        c.show_public = request.GET.get('public') and not_default_user

        gists = Gist().query() \

            .filter(or_(Gist.gist_expires == -1, Gist.gist_expires >= time.time())) \

            .order_by(Gist.created_on.desc())

        # MY private

        if c.show_private and not c.show_public:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PRIVATE) \

                             .filter(Gist.gist_owner == c.authuser.user_id)

        # MY public

        elif c.show_public and not c.show_private:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PUBLIC) \

                             .filter(Gist.gist_owner == c.authuser.user_id)

        # MY public+private

        elif c.show_private and c.show_public:

            gists = gists.filter(or_(Gist.gist_type == Gist.GIST_PUBLIC,

                                     Gist.gist_type == Gist.GIST_PRIVATE)) \

                             .filter(Gist.gist_owner == c.authuser.user_id)

        # default show ALL public gists

        if not c.show_public and not c.show_private:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PUBLIC)

        c.gists = gists

        c.gists_pager = Page(c.gists, page=p, items_per_page=10)

        return render('admin/gists/index.html')

    @LoginRequired()

    @NotAnonymous()

    def create(self):

        """POST /admin/gists: Create a new item"""

        # url('gists')

        self.__load_defaults()

        gist_form = GistForm([x[0] for x in c.lifetime_values])()

        try:

            form_result = gist_form.to_python(dict(request.POST))

            #TODO: multiple files support, from the form

            filename = form_result['filename'] or Gist.DEFAULT_FILENAME

            nodes = {

                filename: {

                    'content': form_result['content'],

                    'lexer': form_result['mimetype']  # None is autodetect

                }

            }

            _public = form_result['public']

            gist_type = Gist.GIST_PUBLIC if _public else Gist.GIST_PRIVATE

            gist = GistModel().create(

                description=form_result['description'],

                owner=c.authuser.user_id,

                gist_mapping=nodes,

                gist_type=gist_type,

                lifetime=form_result['lifetime']

            )

            Session().commit()

            new_gist_id = gist.gist_access_id

        except formencode.Invalid as errors:

            defaults = errors.value

            return formencode.htmlfill.render(

                render('admin/gists/new.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception as e:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during gist creation'), category='error')

            raise HTTPFound(location=url('new_gist'))

        raise HTTPFound(location=url('gist', gist_id=new_gist_id))

    @LoginRequired()

    @NotAnonymous()

    def new(self, format='html'):

        """GET /admin/gists/new: Form to create a new item"""

        # url('new_gist')

        self.__load_defaults()

        return render('admin/gists/new.html')

    @LoginRequired()

    @NotAnonymous()

    def update(self, gist_id):

        """PUT /admin/gists/gist_id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('gist', gist_id=ID),

        #           method='put')

        # url('gist', gist_id=ID)

    @LoginRequired()

    @NotAnonymous()

    def delete(self, gist_id):

        """DELETE /admin/gists/gist_id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('gist', gist_id=ID),

        #           method='delete')

        # url('gist', gist_id=ID)

        gist = GistModel().get_gist(gist_id)

        owner = gist.gist_owner == c.authuser.user_id

        if h.HasPermissionAny('hg.admin')() or owner:

            GistModel().delete(gist)

            Session().commit()

            h.flash(_('Deleted gist %s') % gist.gist_access_id, category='success')

        else:

            raise HTTPForbidden()

        raise HTTPFound(location=url('gists'))

    @LoginRequired()

    def show(self, gist_id, revision='tip', format='html', f_path=None):

        """GET /admin/gists/gist_id: Show a specific item"""

        # url('gist', gist_id=ID)

        c.gist = Gist.get_or_404(gist_id)

        #check if this gist is not expired

        if c.gist.gist_expires != -1:

            if time.time() > c.gist.gist_expires:

                log.error('Gist expired at %s',

                          time_to_datetime(c.gist.gist_expires))

                raise HTTPNotFound()

        try:

            c.file_changeset, c.files = GistModel().get_gist_files(gist_id,

                                                            revision=revision)

        except VCSError:

            log.error(traceback.format_exc())

            raise HTTPNotFound()

        if format == 'raw':

            content = '\n\n'.join([f.content for f in c.files if (f_path is None or safe_unicode(f.path) == f_path)])

            response.content_type = 'text/plain'

            return content

        return render('admin/gists/show.html')

    @LoginRequired()

    @NotAnonymous()

    def edit(self, gist_id, format='html'):

        """GET /admin/gists/gist_id/edit: Form to edit an existing item"""

        # url('edit_gist', gist_id=ID)

        c.gist = Gist.get_or_404(gist_id)

        #check if this gist is not expired

        if c.gist.gist_expires != -1:

            if time.time() > c.gist.gist_expires:

                log.error('Gist expired at %s',

                          time_to_datetime(c.gist.gist_expires))

                raise HTTPNotFound()

        try:

            c.file_changeset, c.files = GistModel().get_gist_files(gist_id)

        except VCSError:

            log.error(traceback.format_exc())

            raise HTTPNotFound()

        self.__load_defaults(extra_values=('0', _('Unmodified')))

        rendered = render('admin/gists/edit.html')

        if request.POST:

            rpost = request.POST

            nodes = {}

            for org_filename, filename, mimetype, content in zip(

                                                    rpost.getall('org_files'),

                                                    rpost.getall('files'),

                                                    rpost.getall('mimetypes'),

                                                    rpost.getall('contents')):

                nodes[org_filename] = {

                    'org_filename': org_filename,

                    'filename': filename,

                    'content': content,

                    'lexer': mimetype,

                }

            try:

                GistModel().update(

                    gist=c.gist,

                    description=rpost['description'],

                    owner=c.gist.owner,

                    gist_mapping=nodes,

                    gist_type=c.gist.gist_type,

                    lifetime=rpost['lifetime']

                )

                Session().commit()

                h.flash(_('Successfully updated gist content'), category='success')

            except NodeNotChangedError:

                # raised if nothing was changed in repo itself. We anyway then

                # store only DB stuff for gist

                Session().commit()

                h.flash(_('Successfully updated gist data'), category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during update of gist %s') % gist_id,

                        category='error')

            raise HTTPFound(location=url('gist', gist_id=gist_id))

        return rendered

    @LoginRequired()

    @NotAnonymous()

    @jsonify

    def check_revision(self, gist_id):

        c.gist = Gist.get_or_404(gist_id)

        last_rev = c.gist.scm_instance.get_changeset()

        success = True

        revision = request.POST.get('revision')

        ##TODO: maybe move this to model ?

        if revision != last_rev.raw_id:

            log.error('Last revision %s is different than submitted %s',

                      revision, last_rev)

            # our gist has newer version than we

            success = False

        return {'success': success}

# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.admin.notifications

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

notifications controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Nov 23, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

from pylons import request

from pylons import tmpl_context as c

from webob.exc import HTTPBadRequest, HTTPForbidden

from kallithea.model.db import Notification

from kallithea.model.notification import NotificationModel

from kallithea.model.meta import Session

from kallithea.lib.auth import LoginRequired, NotAnonymous

from kallithea.lib.base import BaseController, render

from kallithea.lib import helpers as h

from kallithea.lib.helpers import Page

from kallithea.lib.utils2 import safe_int

log = logging.getLogger(__name__)

class NotificationsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('notification', 'notifications', controller='_admin/notifications',

    #         path_prefix='/_admin', name_prefix='_admin_')

    @LoginRequired()

    @NotAnonymous()

    def __before__(self):

        super(NotificationsController, self).__before__()

    def index(self, format='html'):

        """GET /_admin/notifications: All items in the collection"""

        # url('notifications')

        c.user = self.authuser

        notif = NotificationModel().query_for_user(self.authuser.user_id,

                                            filter_=request.GET.getall('type'))

        c.notifications = Page(notif, page=p, items_per_page=10)

        c.pull_request_type = Notification.TYPE_PULL_REQUEST

        c.comment_type = [Notification.TYPE_CHANGESET_COMMENT,

                          Notification.TYPE_PULL_REQUEST_COMMENT]

        _current_filter = request.GET.getall('type')

        c.current_filter = 'all'

        if _current_filter == [c.pull_request_type]:

            c.current_filter = 'pull_request'

        elif _current_filter == c.comment_type:

            c.current_filter = 'comment'

        return render('admin/notifications/notifications.html')

    def mark_all_read(self):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            nm = NotificationModel()

            # mark all read

            nm.mark_all_read_for_user(self.authuser.user_id,

                                      filter_=request.GET.getall('type'))

            Session().commit()

            c.user = self.authuser

            notif = nm.query_for_user(self.authuser.user_id,

                                      filter_=request.GET.getall('type'))

            c.notifications = Page(notif, page=1, items_per_page=10)

            return render('admin/notifications/notifications_data.html')

    def create(self):

        """POST /_admin/notifications: Create a new item"""

        # url('notifications')

    def new(self, format='html'):

        """GET /_admin/notifications/new: Form to create a new item"""

        # url('new_notification')

    def update(self, notification_id):

        """PUT /_admin/notifications/id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('notification', notification_id=ID),

        #           method='put')

        # url('notification', notification_id=ID)

        try:

            no = Notification.get(notification_id)

            owner = all(un.user.user_id == c.authuser.user_id

                        for un in no.notifications_to_users)

            if h.HasPermissionAny('hg.admin')() or owner:

                # deletes only notification2user

                NotificationModel().mark_read(c.authuser.user_id, no)

                Session().commit()

                return 'ok'

        except Exception:

            Session().rollback()

            log.error(traceback.format_exc())

        raise HTTPBadRequest()

    def delete(self, notification_id):

        """DELETE /_admin/notifications/id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('notification', notification_id=ID),

        #           method='delete')

        # url('notification', notification_id=ID)

        try:

            no = Notification.get(notification_id)

            owner = any(un.user.user_id == c.authuser.user_id

                        for un in no.notifications_to_users)

            if h.HasPermissionAny('hg.admin')() or owner:

                # deletes only notification2user

                NotificationModel().delete(c.authuser.user_id, no)

                Session().commit()

                return 'ok'

        except Exception:

            Session().rollback()

            log.error(traceback.format_exc())

        raise HTTPBadRequest()

    def show(self, notification_id, format='html'):

        """GET /_admin/notifications/id: Show a specific item"""

        # url('notification', notification_id=ID)

        notification = Notification.get_or_404(notification_id)

        unotification = NotificationModel() \

            .get_user_notification(self.authuser.user_id, notification)

        # if this association to user is not valid, we don't want to show

        # this message

        if unotification is None:

            raise HTTPForbidden()

        if not unotification.read:

            unotification.mark_as_read()

            Session().commit()

        c.notification = notification

        c.user = self.authuser

        return render('admin/notifications/show_notification.html')

    def edit(self, notification_id, format='html'):

        """GET /_admin/notifications/id/edit: Form to edit an existing item"""

        # url('edit_notification', notification_id=ID)

# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.changelog

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

changelog controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 21, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

from pylons import request, url, session, tmpl_context as c

from pylons.i18n.translation import _

from webob.exc import HTTPFound, HTTPNotFound, HTTPBadRequest

import kallithea.lib.helpers as h

from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from kallithea.lib.base import BaseRepoController, render

from kallithea.lib.helpers import RepoPage

from kallithea.lib.compat import json

from kallithea.lib.graphmod import graph_data

from kallithea.lib.vcs.exceptions import RepositoryError, ChangesetDoesNotExistError, \

    ChangesetError, NodeDoesNotExistError, EmptyRepositoryError

from kallithea.lib.utils2 import safe_int, safe_str

log = logging.getLogger(__name__)

def _load_changelog_summary():

    p = safe_int(request.GET.get('page'), 1)

    size = safe_int(request.GET.get('size'), 10)

    def url_generator(**kw):

        return url('changelog_summary_home',

                   repo_name=c.db_repo.repo_name, size=size, **kw)

    collection = c.db_repo_scm_instance

    c.repo_changesets = RepoPage(collection, page=p,

                                 items_per_page=size,

                                 url=url_generator)

    page_revisions = [x.raw_id for x in list(c.repo_changesets)]

    c.comments = c.db_repo.get_comments(page_revisions)

    c.statuses = c.db_repo.statuses(page_revisions)

class ChangelogController(BaseRepoController):

    def __before__(self):

        super(ChangelogController, self).__before__()

        c.affected_files_cut_off = 60

    @staticmethod

    def __get_cs(rev, repo):

        """

        Safe way to get changeset. If error occur fail with error message.

        :param rev: revision to fetch

        :param repo: repo instance

        """

        try:

            return c.db_repo_scm_instance.get_changeset(rev)

        except EmptyRepositoryError as e:

            h.flash(h.literal(_('There are no changesets yet')),

                    category='error')

        except RepositoryError as e:

            log.error(traceback.format_exc())

            h.flash(safe_str(e), category='error')

        raise HTTPBadRequest()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def index(self, repo_name, revision=None, f_path=None):

        # Fix URL after page size form submission via GET

        # TODO: Somehow just don't send this extra junk in the GET URL

        if request.GET.get('set'):

            request.GET.pop('set', None)

            if revision is None:

                raise HTTPFound(location=url('changelog_home', repo_name=repo_name, **request.GET))

            raise HTTPFound(location=url('changelog_file_home', repo_name=repo_name, revision=revision, f_path=f_path, **request.GET))

        limit = 2000

        default = 100

        if request.GET.get('size'):

            c.size = max(min(safe_int(request.GET.get('size')), limit), 1)

            session['changelog_size'] = c.size

            session.save()

        else:

            c.size = int(session.get('changelog_size', default))

        # min size must be 1

        c.size = max(c.size, 1)

        branch_name = request.GET.get('branch', None)

        if (branch_name and

            branch_name not in c.db_repo_scm_instance.branches and

            branch_name not in c.db_repo_scm_instance.closed_branches and

            not revision):

            raise HTTPFound(location=url('changelog_file_home', repo_name=c.repo_name,

                                    revision=branch_name, f_path=f_path or ''))

        if revision == 'tip':

            revision = None

        c.changelog_for_path = f_path

        try:

            if f_path:

                log.debug('generating changelog for path %s', f_path)

                # get the history for the file !

                tip_cs = c.db_repo_scm_instance.get_changeset()

                try:

                    collection = tip_cs.get_file_history(f_path)

                except (NodeDoesNotExistError, ChangesetError):

                    #this node is not present at tip !

                    try:

                        cs = self.__get_cs(revision, repo_name)

                        collection = cs.get_file_history(f_path)

                    except RepositoryError as e:

                        h.flash(safe_str(e), category='warning')

                        raise HTTPFound(location=h.url('changelog_home', repo_name=repo_name))

                collection = list(reversed(collection))

            else:

                collection = c.db_repo_scm_instance.get_changesets(start=0, end=revision,

                                                        branch_name=branch_name)

            c.total_cs = len(collection)

            c.pagination = RepoPage(collection, page=p, item_count=c.total_cs,

                                    items_per_page=c.size, branch=branch_name,)

            page_revisions = [x.raw_id for x in c.pagination]

            c.comments = c.db_repo.get_comments(page_revisions)

            c.statuses = c.db_repo.statuses(page_revisions)

        except EmptyRepositoryError as e:

            h.flash(safe_str(e), category='warning')

            raise HTTPFound(location=url('summary_home', repo_name=c.repo_name))

        except (RepositoryError, ChangesetDoesNotExistError, Exception) as e:

            log.error(traceback.format_exc())

            h.flash(safe_str(e), category='error')

            raise HTTPFound(location=url('changelog_home', repo_name=c.repo_name))

        c.branch_name = branch_name

        c.branch_filters = [('', _('None'))] + \

            [(k, k) for k in c.db_repo_scm_instance.branches.keys()]

        if c.db_repo_scm_instance.closed_branches:

            prefix = _('(closed)') + ' '

            c.branch_filters += [('-', '-')] + \

                [(k, prefix + k) for k in c.db_repo_scm_instance.closed_branches.keys()]

        revs = []

        if not f_path:

            revs = [x.revision for x in c.pagination]

        c.jsdata = json.dumps(graph_data(c.db_repo_scm_instance, revs))

        c.revision = revision # requested revision ref

        c.first_revision = c.pagination[0] # pagination is never empty here!

        return render('changelog/changelog.html')

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def changelog_details(self, cs):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            c.cs = c.db_repo_scm_instance.get_changeset(cs)

            return render('changelog/changelog_details.html')

        raise HTTPNotFound()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def changelog_summary(self, repo_name):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            _load_changelog_summary()

            return render('changelog/changelog_summary_data.html')

        raise HTTPNotFound()

# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.followers

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Followers controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 23, 2011

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

from pylons import tmpl_context as c, request

from kallithea.lib.helpers import Page

from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from kallithea.lib.base import BaseRepoController, render

from kallithea.model.db import UserFollowing

from kallithea.lib.utils2 import safe_int

log = logging.getLogger(__name__)

class FollowersController(BaseRepoController):

    def __before__(self):

        super(FollowersController, self).__before__()

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')